Original Makita part 651442-7 — SWITCH (internal designation C3JR-1A-1 / GDT01). This is the small trigger/power switch assembly used inside the trigger housing of Makita impact drivers and wrenches; it’s the direct replacement switch Makita specifies when the trigger no longer completes the circuit or the tool fails to start.
Fits examples: DTD172 / DTD173 (18 V impact drivers), TD001G, TD002G, TD003G and the TW004G / TW005G series (check your model parts list for exact fit).
Description details: genuine Makita switch assembly labeled C3JR-1A-1, supplied as the complete switch unit to drop straight into the original trigger cavity — no machining or modification required on compatible models. This is a stocked genuine Makita replacement and is listed among Makita parts for the models above.
Simple, compact and ready to reinstall — replace a worn or intermittent trigger switch and restore reliable operation to your Makita tool.
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